... record 3).220V output,never faliure of output 1. applied in rated voltage AC70V-AC300V input2.50/60Hz power supply system ... supply, to ensure the stability of electricity supply. Mainly used in Supermarket, hospitals, shopping malls, banks, chemical industry, metallurgy, transportation, ... sing or any voice or "DIY" ,then reserve in flash program,Second time connect to power,it will Autoplay the"DIY ...